org.apache.flink.runtime.state.ttl.TtlFoldingState Maven / Gradle / Ivy
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.flink.runtime.state.ttl;
import org.apache.flink.api.common.state.AggregatingState;
import org.apache.flink.api.common.state.StateTtlConfig;
import org.apache.flink.api.common.typeutils.TypeSerializer;
import org.apache.flink.runtime.state.internal.InternalFoldingState;
/**
* This class wraps folding state with TTL logic.
*
* @param Type of the values folded into the state
* @param Type of the value in the state
*
* @deprecated use {@link AggregatingState} instead
*/
@Deprecated
class TtlFoldingState
extends AbstractTtlState, InternalFoldingState>>
implements InternalFoldingState {
TtlFoldingState(
InternalFoldingState> originalState,
StateTtlConfig config,
TtlTimeProvider timeProvider,
TypeSerializer valueSerializer) {
super(originalState, config, timeProvider, valueSerializer);
}
@Override
public ACC get() throws Exception {
return getInternal();
}
@Override
public void add(T value) throws Exception {
original.add(value);
}
@Override
public void clear() {
original.clear();
}
@Override
public ACC getInternal() throws Exception {
return getWithTtlCheckAndUpdate(original::getInternal, original::updateInternal);
}
@Override
public void updateInternal(ACC valueToStore) throws Exception {
original.updateInternal(wrapWithTs(valueToStore));
}
}